Electrophotographic printing plate precursor and method for deve

Details Electrophotographic printing plate precursor and method for deve Electrophotographic printing plate precursor and method for deve

1995-08-23

1997-01-28

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce printing surface

430 56, 430531, G03G 504

Patent

active

055976719

ABSTRACT:
An electrophotographic printing plate precursor having satisfactory mechanical strength and water-resistance and suitable to the direct electrical supply system, and a method for development thereof are disclosed.
The electrophotographic printing plate precursor comprises an electrically conductive support having thereon a photoconductive layer and a back layer, the back layer being provided on the surface of the support opposite to the photoconductive layer, wherein the back layer comprises at least an outermost layer having a surface resistivity of from 1.times.10.sup.10 to 1.times.10.sup.14 .OMEGA. and an inner layer having a surface resistivity of less than 1.times.10.sup.10 .OMEGA..

REFERENCES:
patent: 4942104 (1990-07-01), Kitajima et al.
patent: 4994342 (1991-02-01), Nakayama et al.
patent: 5008167 (1991-04-01), Yu
patent: 5057389 (1991-10-01), Nakayama et al.
patent: 5212030 (1993-05-01), Figov

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